//------------------------------------------------------------------------------
//
void GLPickingSelect::processBoundingBox(
const SubNode::Ptr rootNode,
const double seconds
)
{
// Allocate select buffer.
const unsigned int bufferSize = 12;
GLuint buffer[12*4];
// Get the current viewport.
M3dView view = fSelectInfo.view();
// Get the bounding box.
MBoundingBox boundingBox = BoundingBoxVisitor::boundingBox(rootNode, seconds);
// Draw the bounding box.
view.beginSelect(buffer, bufferSize*4);
view.pushName(0);
{
VBOProxy vboProxy;
vboProxy.drawBoundingBox(boundingBox);
}
view.popName();
int nbPick = view.endSelect();
// Determine the closest point.
if (nbPick > 0) {
unsigned int Zdepth = closestElem(nbPick, buffer);
float depth = float(Zdepth)/MAX_HW_DEPTH_VALUE;
fMinZ = std::min(depth,fMinZ);
}
}
void fishVizNode::draw( M3dView & view, const MDagPath & /*path*/,
M3dView::DisplayStyle style,
M3dView::DisplayStatus status )
{
view.beginGL();
glPushAttrib(GL_ALL_ATTRIB_BITS);
unsigned num_ptc = ptc_positions.length();
glBegin(GL_LINES);
glColor3f(0,0,1);
for(unsigned i=0; i<num_ptc; i++)
{
glVertex3f(ptc_positions[i].x, ptc_positions[i].y, ptc_positions[i].z);
glVertex3f(ptc_positions[i].x+ptc_velocities[i].x, ptc_positions[i].y+ptc_velocities[i].y, ptc_positions[i].z+ptc_velocities[i].z);
}
//glColor3f(0,1,0);
//for(unsigned i=0; i<num_ptc; i++)
//{
// glVertex3f(ptc_positions[i].x, ptc_positions[i].y, ptc_positions[i].z);
// glVertex3f(ptc_positions[i].x+ptc_ups[i].x*m_fish_length, ptc_positions[i].y+ptc_ups[i].y*m_fish_length, ptc_positions[i].z+ptc_ups[i].z*m_fish_length);
//}
glColor3f(1,0,0);
for(unsigned i=0; i<num_ptc; i++)
{
glVertex3f(ptc_positions[i].x, ptc_positions[i].y, ptc_positions[i].z);
glVertex3f(ptc_positions[i].x-ptc_views[i].x*m_fish_length, ptc_positions[i].y-ptc_views[i].y*m_fish_length, ptc_positions[i].z-ptc_views[i].z*m_fish_length);
}
glEnd();
glPopAttrib();
view.endGL();
}
void MannequinMoveManipulator::draw(M3dView &view,
const MDagPath &path,
M3dView::DisplayStyle style,
M3dView::DisplayStatus status) {
static MGLFunctionTable *gGLFT = 0;
if (0 == gGLFT) {
gGLFT = MHardwareRenderer::theRenderer()->glFunctionTable();
}
recalcMetrics();
float size = _manipScale * MFnManip3D::globalSize();
float handleSize = MFnManip3D::handleSize() / 100.0f; // Probably on [0, 100].
float handleHeight = size * handleSize * 0.5f;
float handleOfs = size - handleHeight;
float handleRadius = handleHeight * 0.25f;
float origin[4];
_origin.get(origin);
float x[4], y[4], z[4];
(_origin + (_x * size)).get(x);
(_origin + (_y * size)).get(y);
(_origin + (_z * size)).get(z);
view.beginGL();
GLUquadricObj* quadric = gluNewQuadric();
gluQuadricNormals(quadric, GLU_SMOOTH);
gluQuadricTexture(quadric, true);
gluQuadricDrawStyle(quadric, GLU_FILL);
colorAndName(view, _glPickableItem + 0, true, xColor());
gGLFT->glBegin(MGL_LINES);
gGLFT->glVertex3fv(origin);
gGLFT->glVertex3fv(x);
gGLFT->glEnd();
glDrawCone(quadric, _origin + (_x * handleOfs), _x, handleHeight,
handleRadius);
colorAndName(view, _glPickableItem + 1, true, yColor());
gGLFT->glBegin(MGL_LINES);
gGLFT->glVertex3fv(origin);
gGLFT->glVertex3fv(y);
gGLFT->glEnd();
glDrawCone(quadric, _origin + (_y * handleOfs), _y, handleHeight,
handleRadius);
colorAndName(view, _glPickableItem + 2, true, zColor());
gGLFT->glBegin(MGL_LINES);
gGLFT->glVertex3fv(origin);
gGLFT->glVertex3fv(z);
gGLFT->glEnd();
glDrawCone(quadric, _origin + (_z * handleOfs), _z, handleHeight,
handleRadius);
gluDeleteQuadric(quadric);
view.endGL();
}
void octreeVizNode::draw( M3dView & view, const MDagPath & /*path*/,
M3dView::DisplayStyle style,
M3dView::DisplayStatus status )
{
MDagPath camera;
view = M3dView::active3dView();
view.getCamera(camera);
MATRIX44F mat;
double clipNear, clipFar, fov;
int ispersp;
parseCamera(camera, mat, clipNear, clipFar, fov, ispersp);
view.beginGL();
glPushAttrib(GL_ALL_ATTRIB_BITS);
glShadeModel(GL_SMOOTH);
glPointSize(3);
if(m_pTex) {
XYZ ori(0,0,0);
m_pTex->setProjection(mat, fov, ispersp);
int port[4];
glGetIntegerv(GL_VIEWPORT, port);
m_pTex->setPortWidth(port[2]);
m_pTex->drawCube();
m_pTex->testRaster(ori);
}
glPopAttrib();
view.endGL();
}
MStatus marqueeContext::doRelease( MEvent & event )
//
// Selects objects within the marquee box.
{
if (fsDrawn) {
#if CUSTOM_XOR_DRAW
xorDraw XORdraw(&view);
XORdraw.beginXorDrawing();
#else
view.beginXorDrawing();
#endif
// Redraw the marquee at its old position to erase it.
drawMarqueeGL();
#if CUSTOM_XOR_DRAW
XORdraw.endXorDrawing();
#else
view.endXorDrawing();
#endif
}
doReleaseCommon( event );
return MS::kSuccess;
}
void kgLocator::draw( M3dView & view, const MDagPath & path,
M3dView::DisplayStyle style, M3dView::DisplayStatus status )
{
MStatus stat;
//First get the value of the height attribute
//of the assocuated locator
MObject thisNode = thisMObject();
MFnDagNode dagFn( thisNode );
MPlug heightPlug = dagFn.findPlug( height, &stat );
float heightValue;
heightPlug.getValue( heightValue );
view.beginGL();
glPushAttrib( GL_CURRENT_BIT );
glBegin( GL_LINES );
//Draw a cross
for(unsigned int i=0; i < pts.length(); i+= 2 )
{
glVertex3f(pts[i].x, pts[i].y, pts[i].z );
glVertex3f(pts[i+1].x, pts[i+1].y, pts[i+1].z );
}
//And a vertical spindle
//of the same height as
//the height attribute
glVertex3f( 0.0f, 0.0f, 0.0f );
glVertex3f( 0.0f, heightValue, 0.0f );
glEnd();
glPopAttrib();
view.endGL();
}
void mtmEnvLight::draw( M3dView & view, const MDagPath & /*path*/,
M3dView::DisplayStyle style,
M3dView::DisplayStatus status )
{
// Get the size
//
//MObject thisNode = thisMObject();
//MPlug plug( thisNode, size );
//MDistance sizeVal;
//plug.getValue( sizeVal );
//float multiplier = (float) sizeVal.asCentimeters();
view.beginGL();
float size2 = 0.7f * .5f;
float scale = 2.0f;
if ( ( style == M3dView::kFlatShaded ) ||
( style == M3dView::kGouraudShaded ) )
{
// Push the color settings
//
glPushAttrib( GL_CURRENT_BIT );
if ( status == M3dView::kActive ) {
view.setDrawColor( 13, M3dView::kActiveColors );
} else {
view.setDrawColor( 13, M3dView::kDormantColors );
}
glBegin( GL_TRIANGLE_FAN );
int i;
int last = mtmCount - 1;
for ( i = 0; i < last; ++i ) {
glVertex3f( (mtm[i][0] - size2) * scale,
(mtm[i][1]) * scale,
(mtm[i][2] - .15f) * scale );
}
glEnd();
glPopAttrib();
}
// Draw the outline of the foot
//
glBegin( GL_LINES );
int i;
int last = mtmCount - 1;
for ( i = 0; i < last; ++i ) {
glVertex3f( (mtm[i][0] - size2) * scale,
(mtm[i][1]),
(mtm[i][2] - .15f) * scale );
glVertex3f( (mtm[i+1][0] - size2) * scale,
(mtm[i+1][1]),
(mtm[i+1][2] - .15f) * scale );
}
glEnd();
view.endGL();
}
MStatus customAttrCtx::doRelease( MEvent & event )
//
// Description
// This method is called when a mouse button is released while this context is
// the current context.
//
{
// Let the parent class handle the event.
MStatus stat = MPxSelectionContext::doRelease( event );
// If an object is selected, process the event if the middle mouse button
// was lifted.
if ( !isSelecting() ) {
if (event.mouseButton() == MEvent::kMiddleMouse)
{
event.getPosition( endPos_x, endPos_y );
// Delete the move command if we have moved less then 2 pixels
// otherwise call finalize to set up the journal and add the
// command to the undo queue.
//
if ( abs(startPos_x - endPos_x) < 2 ) {
delete cmd;
view.refresh( true );
}
else {
stat = cmd->finalize();
view.refresh( true );
}
setCursor(MCursor::defaultCursor);
}
}
return stat;
}
void retargetLocator::draw( M3dView& view, const MDagPath& DAGPath,
M3dView::DisplayStyle style, M3dView::DisplayStatus status )
{
view.beginGL();
glPushAttrib( GL_CURRENT_BIT );
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
glDepthMask( GL_FALSE );
if ( status == M3dView::kActive ) viewMode = 0;
else if ( status == M3dView::kLead ) viewMode = 1;
else viewMode = 2;
glDepthFunc( GL_ALWAYS );
drawDiscAll( discLineAlpha*0.5f, discFillAlpha*0.5f );
for( int i =0; i<lineAlpha.length(); i++ )
{
drawArrowAll( lineAlpha[i]*0.5f, fillAlpha[i]*0.5f, i );
}
glDepthFunc( GL_LESS );
drawDiscAll( discLineAlpha, discFillAlpha );
for( int i =0; i<lineAlpha.length(); i++ )
{
drawArrowAll( lineAlpha[i], fillAlpha[i], i );
}
glDepthMask( GL_TRUE );
glDisable( GL_BLEND );
glPopAttrib();
view.endGL();
}
// Load the vertexProgram and fill in the necessary constants used in the vertex program.
//
void hwRefractReflectShader_NV20::loadVertexProgramGL( M3dView& view )
{
view.beginGL();
{
// Don't load/initialize the vertex program more than once.
//
if (vertex_program_id == 0)
initVertexProgram(vertexProgramString, &vertex_program_id);
// Set up the constant values.
//
// CONSTANTS:
// 0- 3 4x4 ModelView-Projection composite matrix
// 4- 7 4x4 ModelView inverseTranspose matrix
// 8- 11 4x4 ModelView matrix
// 12-15 4x4 Texture matrix
//
glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 0, GL_MODELVIEW_PROJECTION_NV, GL_IDENTITY_NV);
glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 4, GL_MODELVIEW, GL_INVERSE_TRANSPOSE_NV);
glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 8, GL_MODELVIEW, GL_IDENTITY_NV);
glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 12, GL_TEXTURE, GL_IDENTITY_NV);
float rIdx = fRefractionIndex;
glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 58, rIdx, rIdx*rIdx, 0.0, 0.0); // refraction index
glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 59, 0.0, 0.0, 0.0, 1.0); // eye position
glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 64, 0.0, 1.0, 2.0, 3.0); // misc constants
}
view.endGL();
}
// Pre-render callback
//
void refreshCompute::preRenderCB(const MString& panelName, void * data)
{
refreshCompute *thisCompute = (refreshCompute *) data;
if (!thisCompute)
return;
M3dView view;
MStatus status = M3dView::getM3dViewFromModelPanel(panelName, view);
if (status != MS::kSuccess)
return;
int width = 0, height = 0;
width = view.portWidth( &status );
if (status != MS::kSuccess || (width < 2))
return;
height = view.portHeight( &status );
if (status != MS::kSuccess || (height < 2))
return;
unsigned int vx,vy,vwidth,vheight;
vx = 0;
vy = 0;
vwidth = width / 2;
vheight = height / 2;
status = view.pushViewport (vx, vy, vwidth, vheight);
if (thisCompute->mBufferOperation != kDrawDepthBuffer)
{
M3dView view;
MStatus status = M3dView::getM3dViewFromModelPanel(panelName, view);
MPoint origin;
status = view.drawText( MString("Pre render callback: ") + panelName, origin );
}
}
void BasicLocator::draw( M3dView & view, const MDagPath & path,
M3dView::DisplayStyle style, M3dView::DisplayStatus status )
{
view.beginGL();
glPushAttrib( GL_CURRENT_BIT );
MPointArray pts;
getCirclePoints( pts );
glBegin(GL_LINE_STRIP);
for( unsigned int i=0; i < pts.length(); i++ )
glVertex3f( float(pts[i].x), float(pts[i].y), float(pts[i].z) );
glEnd();
glBegin(GL_LINES);
glVertex3f( -0.5f, 0.0f, 0.0f );
glVertex3f( 0.5f, 0.0f, 0.0f );
glVertex3f( 0.0f, 0.0f, -0.5f );
glVertex3f( 0.0f, 0.0f, 0.5f );
glEnd();
glPopAttrib();
view.endGL();
}
MStatus marqueeContext::doDrag( MEvent & event )
//
// Drag out the marquee (using OpenGL)
//
{
#if CUSTOM_XOR_DRAW
xorDraw XORdraw(&view);
XORdraw.beginXorDrawing();
#else
view.beginXorDrawing();
#endif
if (fsDrawn) {
// Redraw the marquee at its old position to erase it.
drawMarqueeGL();
}
fsDrawn = true;
// Get the marquee's new end position.
event.getPosition( last_x, last_y );
// Draw the marquee at its new position.
drawMarqueeGL();
#if CUSTOM_XOR_DRAW
XORdraw.endXorDrawing();
#else
view.endXorDrawing();
#endif
return MS::kSuccess;
}
void curvedArrows::draw( M3dView & view, const MDagPath & /*path*/,
M3dView::DisplayStyle style,
M3dView::DisplayStatus status )
{
// Get the size
//
MObject thisNode = thisMObject();
MPlug tPlug = MPlug( thisNode, aTransparency );
MPlug cPlug = MPlug( thisNode, aTheColor );
float r, g, b, a;
MObject color;
cPlug.getValue( color );
MFnNumericData data( color );
data.getData( r, g, b );
tPlug.getValue( a );
view.beginGL();
if( (style == M3dView::kFlatShaded) ||
(style == M3dView::kGouraudShaded) ) {
// Push the color settings
//
glPushAttrib( GL_COLOR_BUFFER_BIT | GL_CURRENT_BIT | GL_ENABLE_BIT |
GL_PIXEL_MODE_BIT );
if ( a < 1.0f ) {
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
}
glColor4f( r, g, b, a );
glBegin( GL_TRIANGLES );
unsigned int i;
for ( i = 0; i < fsFaceListSize; i ++ ) {
unsigned int *vid = fsFaceList[i];
unsigned int *nid = fsFaceVertexNormalList[i];
for ( unsigned int j = 0; j < 3; j ++ ) {
glNormal3d( fsNormalList[nid[j]-1][0],
fsNormalList[nid[j]-1][1],
fsNormalList[nid[j]-1][2] );
glVertex3d( fsVertexList[vid[j]-1][0],
fsVertexList[vid[j]-1][1],
fsVertexList[vid[j]-1][2] );
}
}
glEnd();
glPopAttrib();
drawEdgeLoop( view, status );
} else {
drawEdgeLoop( view, status );
}
view.endGL();
}
// Currently, Maya leaves lights in GL when you reduce the number of active lights in
// your scene. It fills the GL light space from 0 with the visible lights, so, we simply
// need to reset the potentially 'old' state of lights after the last one we know to be
// visible. We'll put it all back as we found it though. For the moment, this assumes
// Maya is filling GL consecutively, if they stop doing that, we'll need to get the
// actual light indexes from the view. Its just a bit quicker to assume this, whilst we can.
bool ProceduralHolderUI::cleanupLights( const MDrawRequest &request, M3dView &view, LightingState *s ) const
{
if( !(request.displayStyle()==M3dView::kFlatShaded || request.displayStyle()==M3dView::kGouraudShaded) )
{
return false;
}
M3dView::LightingMode mode;
view.getLightingMode(mode);
if (mode == M3dView::kLightDefault)
{
s->numMayaLights = 1;
}
else
{
view.getLightCount( s->numMayaLights );
}
int sGlMaxLights = 0;
glGetIntegerv( GL_MAX_LIGHTS, &sGlMaxLights );
s->numGlLights = sGlMaxLights;
if( s->numMayaLights >= s->numGlLights || s->numGlLights == 0 )
{
return false;
}
unsigned int vectorSize = s->numGlLights - s->numMayaLights;
s->diffuses.resize( vectorSize );
s->specs.resize( vectorSize );
s->ambients.resize( vectorSize );
static float s_defaultColor[] = { 0.0, 0.0, 0.0, 1.0 };
GLenum light;
unsigned int j = 0;
for( unsigned int i = s->numMayaLights; i < s->numGlLights; i++ )
{
light = GL_LIGHT0 + i;
glGetLightfv( light, GL_DIFFUSE, s->diffuses[j].getValue() );
glLightfv( light, GL_DIFFUSE, s_defaultColor );
glGetLightfv( light, GL_SPECULAR, s->specs[j].getValue() );
glLightfv( light, GL_SPECULAR, s_defaultColor );
glGetLightfv( light, GL_AMBIENT, s->ambients[j].getValue() );
glLightfv( light, GL_AMBIENT, s_defaultColor );
j++;
}
return true;
}
void VmIslandNode::draw( M3dView& i_view, const MDagPath& i_path, M3dView::DisplayStyle i_style, M3dView::DisplayStatus i_status )
{
//fprintf( stderr, "VmIslandNode::Draw()\n" );
//Start OpenGL
i_view.beginGL();
// Get all the values we need from the plugs.
//
// Note that for the oa_update plug, we don't actually
// care about the value we get from it. But we do ask
// for it to be computed, since that computation process
// will get the internal structures up to date. But, the
// drawStyle() plug we do care about the value of. At the
// same time though, in the compute() method, nothing
// needs to be computed for it.
MPlug updatePlug( thisMObject(), VmIslandNode::oa_update );
const bool updateOK = updatePlug.asBool();
if( updateOK == false)
{
MGlobal::displayError( "VmIslandNode::draw() - update failed\n" );
}
MPlug drawStylePlug( thisMObject(), VmIslandNode::ia_drawStyle );
const int drawStyle = drawStylePlug.asInt();
//Check plugs
if (drawStyle == 0){
drawBB();
} else if (drawStyle == 1){
drawSubBB();
} else if ( drawStyle == 2 ){
drawPlane();
} else if( drawStyle == 3) {
drawPlane();
drawTerrainNormals();
}else if (drawStyle == 4 ) {
drawPlane();
drawInstances();
} else if (drawStyle == 5 ) {
drawPlane();
drawInstances();
drawWindVelocities();
} else if (drawStyle == 6 ) {
drawPlane();
drawBB();
drawSubBB();
drawInstances();
drawTerrainNormals();
drawWindVelocities();
}
//Close OpenGL
i_view.endGL();
}
//MStatus pointLightNode::compute(const MPlug &plug, MDataBlock &data)
//{
// MStatus stat;
// return stat=MStatus::kSuccess;
//}
void pointLightNode::draw(M3dView &view, const MDagPath &path, M3dView::DisplayStyle style, M3dView::DisplayStatus status)
{
MColor drawColor;
drawColor.set(MColor::kRGB,1,1,0);
if (status==M3dView::kDormant)
{
drawColor.set(MColor::kRGB,1,0,0);
}
if (status==M3dView::kTemplate)
{
drawColor.set(MColor::kRGB,0,1,0);
}
view.setDrawColor(drawColor);
view.beginGL();
glBegin(GL_LINES);
glVertex3f(0.0f,0.1f,0.0f);
glVertex3f(0.1f,0.0f,0.0f);
glVertex3f(0.0f,0.1f,0.0f);
glVertex3f(-0.1f,0.0f,0.0f);
glVertex3f(0.0f,0.1f,0.0f);
glVertex3f(0.0f,0.0f,0.1f);
glVertex3f(0.0f,0.1f,0.0f);
glVertex3f(0.0f,0.0f,-0.1f);
glVertex3f(0.0f,-0.1f,0.0f);
glVertex3f(0.1f,0.0f,0.0f);
glVertex3f(0.0f,-0.1f,0.0f);
glVertex3f(-0.1f,0.0f,0.0f);
glVertex3f(0.0f,-0.1f,0.0f);
glVertex3f(0.0f,0.0f,0.1f);
glVertex3f(0.0f,-0.1f,0.0f);
glVertex3f(0.0f,0.0f,-0.1f);
glVertex3f(-0.1f,0.0f,0.0f);
glVertex3f(0.0f,0.0f,0.1f);
glVertex3f(0.0f,0.0f,0.1f);
glVertex3f(0.1f,0.0f,0.0f);
glVertex3f(0.1f,0.0f,0.0f);
glVertex3f(0.0f,0.0f,-0.1f);
glVertex3f(0.0f,0.0f,-0.1f);
glVertex3f(-0.1f,0.0f,0.0f);
glEnd();
view.endGL();
}
void areaLightNode::draw(M3dView &view, const MDagPath &path, M3dView::DisplayStyle style, M3dView::DisplayStatus status)
{
MColor drawColor;
drawColor.set(MColor::kRGB,1,1,0,0.5);
if (status==M3dView::kDormant)
{
drawColor.set(MColor::kRGB,1,0,0,0.5);
}
view.setDrawColor(drawColor);
view.beginGL();
glBegin(GL_LINES);
//these are useful
glVertex3f(-1.0f,-1.0f,0.0f);
glVertex3f(-1.0f,1.0f,0.0f);
glVertex3f(-1.0f,1.0f,0.0f);
glVertex3f(1.0f,1.0f,0.0f);
glVertex3f(1.0f,1.0f,0.0f);
glVertex3f(1.0f,-1.0f,0.0f);
glVertex3f(1.0f,-1.0f,0.0f);
glVertex3f(-1.0f,-1.0f,0.0f);
glVertex3f(0.0f,0.0f,0.0f);
glVertex3f(0.0f,0.0f,-3.0f);
glVertex3f(0.0f,0.0f,-3.0f);
glVertex3f(0.0f,-0.1f,-2.8f);
glVertex3f(0.0f,0.0f,-3.0f);
glVertex3f(0.0f,0.1f,-2.8f);
//these just for fun......
glVertex3f(-0.3f,0.5f,0.0f);
glVertex3f(-0.85f,-0.3f,0.0f);
glVertex3f(0.3f,0.5f,0.0f);
glVertex3f(0.85f,-0.3f,0.0f);
glVertex3f(-0.4f,-1.0f,0.0f);
glVertex3f(-0.4f,-0.2f,0.0f);
glVertex3f(-0.4f,-0.2f,0.0f);
glVertex3f(0.4f,-0.2f,0.0f);
glVertex3f(0.4f,-0.2f,0.0f);
glVertex3f(0.4f,-1.0f,0.0f);
glEnd();
view.endGL();
}
//------------------------------------------------------------------------------
//
RasterSelect::RasterSelect(
MSelectInfo& selectInfo
)
: fSelectInfo(selectInfo),
fMinZ(std::numeric_limits<float>::max())
{
M3dView view = fSelectInfo.view();
view.beginGL();
unsigned int sxl, syl, sw, sh;
fSelectInfo.selectRect(sxl, syl, sw, sh);
unsigned int vxl, vyl, vw, vh;
view.viewport(vxl, vyl, vw, vh);
// Compute a new matrix that, when it is post-multiplied with the
// projection matrix, will cause the picking region to fill only
// a small region.
const unsigned int width = (MAX_RASTER_SELECT_RENDER_SIZE < sw) ?
MAX_RASTER_SELECT_RENDER_SIZE : sw;
const unsigned int height = (MAX_RASTER_SELECT_RENDER_SIZE < sh) ?
MAX_RASTER_SELECT_RENDER_SIZE : sh;
const double sx = double(width) / double(sw);
const double sy = double(height) / double(sh);
const double fx = 2.0 / double(vw);
const double fy = 2.0 / double(vh);
MMatrix selectMatrix;
selectMatrix.matrix[0][0] = sx;
selectMatrix.matrix[1][1] = sy;
selectMatrix.matrix[3][0] = -1.0 - sx * (fx * (sxl - vxl) - 1.0);
selectMatrix.matrix[3][1] = -1.0 - sy * (fy * (syl - vyl) - 1.0);
MMatrix projMatrix;
view.projectionMatrix(projMatrix);
::glMatrixMode(GL_PROJECTION);
::glPushMatrix();
::glLoadMatrixd(selectMatrix[0]);
::glMultMatrixd(projMatrix[0]);
::glMatrixMode(GL_MODELVIEW);
::glScissor(vxl, vyl, width, height);
::glEnable(GL_SCISSOR_TEST);
::glClear(GL_DEPTH_BUFFER_BIT);
fWasDepthTestEnabled = ::glIsEnabled(GL_DEPTH_TEST);
if (!fWasDepthTestEnabled) {
::glEnable(GL_DEPTH_TEST);
}
}
void bruiseMapNode::draw( M3dView & view, const MDagPath & /*path*/,
M3dView::DisplayStyle style,
M3dView::DisplayStatus status )
{
view.beginGL();
glPointSize(2);
if(m_base->hasBase()) m_base->draw();
view.endGL();
}
MStatus PluginTestUserOperation::execute(const MHWRender::MDrawContext & drawContext)
{
//return MStatus::kSuccess;
M3dView view;
if(M3dView::getM3dViewFromModelPanel(panelName, view) == MStatus::kSuccess)
{
// Get the current viewport and scale it relative to that
//
int targetW, targetH;
drawContext.getRenderTargetSize(targetW, targetH);
// Some user drawing of scene bounding boxes
//
MDagPath cameraPath;
MFnCamera fnCamera;
view.getCamera(cameraPath);
MMatrix m3dViewProjection, m3dViewModelView;
view.projectionMatrix(m3dViewProjection);
view.modelViewMatrix(m3dViewModelView);
MFloatMatrix m3dFloatViewProjection(m3dViewProjection.matrix);
MFloatMatrix m3dFloatViewModelView(m3dViewModelView.matrix);
MFloatMatrix viewProjection = m3dFloatViewModelView * m3dFloatViewProjection;
SurfaceDrawTraversal traversal;
traversal.enableFiltering(true);
traversal.setFrustum(cameraPath, targetW, targetH);
traversal.traverse();
unsigned int numItems = traversal.numberOfItems();
MFnMesh fnMesh;
for (int i = 0; i < numItems; i++)
{
MDagPath path;
traversal.itemPath(i, path);
if (path.hasFn(MFn::kMesh))
{
fnMesh.setObject(path);
MFloatMatrix modelWorld(path.inclusiveMatrix().matrix);
MTransformationMatrix transformMatrix;
MFloatMatrix modelViewProjection = modelWorld * viewProjection;
modelViewProjection = modelViewProjection.transpose();
MIntArray triangleCounts;
MIntArray triangleVertices; // This is the index list for all the triangles in the mesh in one big list. Ie. first 3 are for tri 1 etc. Index into getPoints()
fnMesh.getTriangles(triangleCounts, triangleVertices);
//int indices[100];
//triangleVertices.get(indices);
MFloatPointArray vertexArray;
//float points[1000][4];
fnMesh.getPoints(vertexArray);
//vertexArray.get(points);
UserSceneRenderer::get()->render(triangleVertices, vertexArray, modelViewProjection);
}
}
}
return MStatus::kSuccess;
}
// Load the textures, update the necessary variable values, initialize register combiners,
// save and load the matrices with the proper values
//
MStatus hwRefractReflectShader_NV20::preDraw(const MDrawRequest& request, M3dView& view)
{
MStatus stat = loadTextures( request, view);
if( MS::kSuccess != stat ) return stat;
// get the reflectivity value
//
MPlug tPlug(thisMObject(), reflectivity);
if( tPlug.getValue( fReflectivity ) )
{
if( fReflectivity < 0.01f ) fReflectivity = 0.01f;
if( fReflectivity > 1.0f ) fReflectivity = 1.0f;
}
else fReflectivity = 0.5f;
// get the refraction index value
//
MPlug rPlug(thisMObject(), refractionIndex);
if( rPlug.getValue( fRefractionIndex ) )
{
if ( fRefractionIndex < 1.0f ) fRefractionIndex = 1.0f;
if ( fRefractionIndex > 2.0f ) fRefractionIndex = 2.0f;
}
else fRefractionIndex = 1.0f;
initCombiners( request, view );
// Compute the camera rotation angle and axis
//
MDagPath cameraPath;
MStatus status = view.getCamera( cameraPath );
MMatrix mmatrix = cameraPath.inclusiveMatrix( &status );
MTransformationMatrix tmatrix( mmatrix );
MQuaternion camRotation = tmatrix.rotation();
MVector camAxis;
double camTheta;
camRotation.getAxisAngle( camAxis, camTheta );
// Convert to degrees from radians
camTheta *= 57.295779513082320876798154814105; // == (180 / M_PI)
view.beginGL();
glMatrixMode( GL_TEXTURE );
glPushMatrix();
glLoadIdentity();
glScalef(1.0, -1.0, 1.0);
glRotated( camTheta, camAxis[0], camAxis[1], camAxis[2]);
glMatrixMode( GL_MODELVIEW );
view.endGL();
return stat;
}
void sixdofConstraintNode::draw( M3dView & view, const MDagPath &path,
M3dView::DisplayStyle style,
M3dView::DisplayStatus status )
{
// std::cout << "sixdofConstraintNode::draw" << std::endl;
update();
view.beginGL();
glPushAttrib( GL_ALL_ATTRIB_BITS );
// glPushMatrix();
glDisable(GL_LIGHTING);
if( !(status == M3dView::kActive ||
status == M3dView::kLead ||
status == M3dView::kHilite ||
( style != M3dView::kGouraudShaded && style != M3dView::kFlatShaded )) ) {
glColor3f(1.0, 1.0, 0.0);
}
vec3f posA;
vec3f posB;
if (m_constraint) {
vec3f world;
m_constraint->get_world(world);
quatf rotA;
m_constraint->rigid_bodyA()->get_transform(posA, rotA);
posA = posA - world;
quatf rotB;
m_constraint->rigid_bodyB()->get_transform(posB, rotB);
posB = posB - world;
}
// glLoadIdentity();
glBegin(GL_LINES);
glVertex3f(posA[0], posA[1], posA[2]);
glVertex3f(posB[0], posB[1], posB[2]);
glVertex3f(-1.0, 0.0, 0.0);
glVertex3f(1.0, 0.0, 0.0);
glVertex3f(0.0, -1.0, 0.0);
glVertex3f(0.0, 1.0, 0.0);
glVertex3f(0.0, 0.0, -1.0);
glVertex3f(0.0, 0.0, 1.0);
glEnd();
// glPopMatrix();
glPopAttrib();
view.endGL();
}
/* virtual */
MStatus hwUnlitShader::unbind(const MDrawRequest& request,
M3dView& view)
{
view.beginGL();
glPopClientAttrib();
glPopAttrib();
view.endGL();
return MS::kSuccess;
}
void rigidBodyNode::draw( M3dView & view, const MDagPath &path,
M3dView::DisplayStyle style,
M3dView::DisplayStatus status )
{
// std::cout << "rigidBodyNode::draw" << std::endl;
MObject thisObject(thisMObject());
update();
view.beginGL();
glPushAttrib( GL_ALL_ATTRIB_BITS );
if(m_rigid_body) {
//remove the scale, since it's already included in the node transform
vec3f scale;
m_rigid_body->collision_shape()->get_scale(scale);
glPushMatrix();
glScalef(1/scale[0], 1/scale[1], 1/scale[2]);
if(style == M3dView::kFlatShaded || style == M3dView::kGouraudShaded) {
glEnable(GL_LIGHTING);
MPlug plug(thisObject, rigidBodyNode::ia_mass);
float mass;
plug.getValue(mass);
if (mass) {
float material[] = { 0.2f, 1.0f, 0.2f, 1.0f };
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, material);
} else {
float material[] = { 1.0f, 0.3f, 0.1f, 1.0f };
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, material);
}
//glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, material);
m_rigid_body->collision_shape()->gl_draw(collision_shape_t::kDSSolid);
}
if( status == M3dView::kActive ||
status == M3dView::kLead ||
status == M3dView::kHilite ||
( style != M3dView::kGouraudShaded && style != M3dView::kFlatShaded ) ) {
glDisable(GL_LIGHTING);
m_rigid_body->collision_shape()->gl_draw(collision_shape_t::kDSWireframe);
}
glPopMatrix();
}
glPopAttrib();
view.endGL();
}
bool MannequinMoveManipulator::intersectManip(MPxManipulatorNode* manip) const {
M3dView view = M3dView::active3dView();
float size = _manipScale * MFnManip3D::globalSize();
MPoint xEnd = _origin + (_x * size);
MPoint yEnd = _origin + (_y * size);
MPoint zEnd = _origin + (_z * size);
short mx, my;
manip->mousePosition(mx, my);
short ox, oy, xx, xy, yx, yy, zx, zy;
view.worldToView(_origin, ox, oy);
view.worldToView(xEnd, xx, xy);
view.worldToView(yEnd, yx, yy);
view.worldToView(zEnd, zx, zy);
// Calculate approximate handle size in view space.
float viewLength = 0.0f;
viewLength = std::max(viewLength,
sqrtf(pow(float(xx) - float(ox), 2) + pow(float(xy) - float(oy), 2)));
viewLength = std::max(viewLength,
sqrtf(pow(float(yx) - float(ox), 2) + pow(float(yy) - float(oy), 2)));
viewLength = std::max(viewLength,
sqrtf(pow(float(zx) - float(ox), 2) + pow(float(zy) - float(oy), 2)));
float handleSize = MFnManip3D::handleSize() / 100.0f; // Probably on [0, 100].
float handleHeight = viewLength * handleSize * 0.5f;
float handleRadius = std::max(handleHeight * 0.3f, 4.0f);
// Note: slightly exaggerated; normally handleHeight * 0.25f.
// Determine if we're in range to any of the lines.
float curDist, t;
curDist = Util::distanceToLine(ox, oy, xx, xy, mx, my, &t);
if (curDist < handleRadius && t >= 0.0f && t <= 1.0f) {
return true;
}
curDist = Util::distanceToLine(ox, oy, yx, yy, mx, my, &t);
if (curDist < handleRadius && t >= 0.0f && t <= 1.0f) {
return true;
}
curDist = Util::distanceToLine(ox, oy, zx, zy, mx, my, &t);
if (curDist < handleRadius && t >= 0.0f && t <= 1.0f) {
return true;
}
return false;
}
MStatus initializePlugin(MObject obj)
{
MFnPlugin plugin(obj, "David Kouril", "1.0", "Any");
MStatus status = plugin.registerNode(CustomLocator::typeName,
CustomLocator::typeId,
CustomLocator::creator,
CustomLocator::initialize,
MPxNode::kLocatorNode); // is this why it didn't work before????????? yep, looks like it
// register startStreamingCommand command
status = plugin.registerCommand("startM2CVStreaming", startStreamingCommand::creator);
status = plugin.registerCommand("endM2CVStreaming", endStreamingCommand::creator);
status = plugin.registerCommand("showM2CVWindow", showStreamingWindowCommand::creator);
streamer = new Streamer;
// add a custom menu with items: Start streaming, Stop streaming
MGlobal::executeCommand("global string $gMainWindow");
MGlobal::executeCommand("setParent $gMainWindow");
MGlobal::executeCommand("menu -label \"MayaToCellVIEW\" mayaToCelViewMenu");
MGlobal::executeCommand("setParent -menu mayaToCelViewMenu");
MGlobal::executeCommand("menuItem -label \"Start Streaming\" -command \"startM2CVStreaming\" startStreamingItem");
MGlobal::executeCommand("menuItem -label \"End Streaming\" -command \"endM2CVStreaming\" -enable false endStreamingItem");
MGlobal::executeCommand("menuItem -label \"Show Streaming Window\" -command \"showM2CVWindow\" -enable true showWindowItem");
if (!status)
{
status.perror("Failed to register customLocator\n");
return status;
}
std::cout << "initializePlugin successful." << std::endl;
MStatus status1;
M3dView viewport = M3dView::active3dView(&status1);
std::cerr << "viewport dims: " << viewport.portWidth() << ", " << viewport.portHeight() << std::endl;
// just testing the callbacks:
MStatus callBackStatus;
//MCallbackId callBackId = MUiMessage::add3dViewPostRenderMsgCallback(MString("persp"), &simpleCallBackTest, nullptr, &callBackStatus);
MCallbackId callBackId = MUiMessage::add3dViewPostRenderMsgCallback(MString("modelPanel4"), &simpleCallBackTest, nullptr, &callBackStatus);
if (callBackId == 0)
{
std::cerr << "Something's f****d up" << ", status: " << callBackStatus << std::endl;
}
return status;
}
void DrawableHolderUI::draw( const MDrawRequest &request, M3dView &view ) const
{
MDrawData drawData = request.drawData();
DrawableHolder *drawableHolder = (DrawableHolder *)drawData.geometry();
assert( drawableHolder );
IECoreGL::ConstScenePtr s = drawableHolder->scene();
if( !s )
{
return;
}
view.beginGL();
// maya can sometimes leave an error from it's own code,
// and we don't want that to confuse us in our drawing code.
while( glGetError()!=GL_NO_ERROR )
{
}
// if we're being drawn as part of a selection operation we need
// to make sure there's a name on the name stack, as the IECoreGL::NameStateComponent
// expects to be able to load a name into it (it fails with an invalid operation if
// there's no name slot to load into).
if( view.selectMode() )
{
view.pushName( 0 );
}
try
{
// do the main render
s->render( m_displayStyle.baseState( request.displayStyle() ) );
// do a wireframe render over the top if we're selected and we just did a solid
// draw.
bool selected = request.displayStatus()==M3dView::kActive || request.displayStatus()==M3dView::kLead;
bool solid = request.displayStyle()==M3dView::kFlatShaded || request.displayStyle()==M3dView::kGouraudShaded;
if( selected && solid )
{
s->render( m_displayStyle.baseState( M3dView::kWireFrame ) );
}
}
catch( std::exception &e )
{
IECore::msg( IECore::Msg::Error, "DrawableHolderUI::draw", e.what() );
}
view.endGL();
}
//------------------------------------------------------------------------------
//
void GLPickingSelect::processTriangles(
const SubNode::Ptr rootNode,
const double seconds,
const size_t numTriangles,
VBOProxy::VBOMode vboMode
)
{
const unsigned int bufferSize = (unsigned int)std::min(numTriangles,size_t(100000));
boost::shared_array<GLuint>buffer (new GLuint[bufferSize*4]);
M3dView view = fSelectInfo.view();
MMatrix projMatrix;
view.projectionMatrix(projMatrix);
MMatrix modelViewMatrix;
view.modelViewMatrix(modelViewMatrix);
unsigned int x, y, w, h;
view.viewport(x, y, w, h);
double viewportX = static_cast<int>(x); // can be less than 0
double viewportY = static_cast<int>(y); // can be less than 0
double viewportW = w;
double viewportH = h;
fSelectInfo.selectRect(x, y, w, h);
double selectX = static_cast<int>(x); // can be less than 0
double selectY = static_cast<int>(y); // can be less than 0
double selectW = w;
double selectH = h;
MMatrix selectAdjustMatrix;
selectAdjustMatrix[0][0] = viewportW / selectW;
selectAdjustMatrix[1][1] = viewportH / selectH;
selectAdjustMatrix[3][0] = ((viewportX + viewportW/2.0) - (selectX + selectW/2.0)) /
viewportW * 2.0 * selectAdjustMatrix[0][0];
selectAdjustMatrix[3][1] = ((viewportY + viewportH/2.0) - (selectY + selectH/2.0)) /
viewportH * 2.0 * selectAdjustMatrix[1][1];
MMatrix localToPort = modelViewMatrix * projMatrix * selectAdjustMatrix;
view.beginSelect(buffer.get(), bufferSize*4);
view.pushName(0);
{
Frustum frustum(localToPort.inverse());
MMatrix xform(modelViewMatrix);
DrawShadedState state(frustum, seconds, vboMode);
DrawShadedTraversal traveral(state, xform, false, Frustum::kUnknown);
rootNode->accept(traveral);
}
view.popName();
int nbPick = view.endSelect();
if (nbPick > 0) {
unsigned int Zdepth = closestElem(nbPick, buffer.get());
float depth = float(Zdepth)/MAX_HW_DEPTH_VALUE;
fMinZ = std::min(depth,fMinZ);
}
}
void wingVizNode::draw( M3dView & view, const MDagPath & /*path*/,
M3dView::DisplayStyle style,
M3dView::DisplayStatus status )
{
view.beginGL();
//glPushAttrib( GL_POLYGON_BIT );
//glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
//glFrontFace(GL_CW);
//glEnable(GL_CULL_FACE);
//if(i_show_v) m_base->drawVelocity();
m_base->draw();
//glPopAttrib();
view.endGL();
}